BR0012876A - Discriminação de frequência em um sistema de processamento de sinal de espectro disperso - Google Patents

Discriminação de frequência em um sistema de processamento de sinal de espectro disperso

Info

Publication number
BR0012876A
BR0012876A BR0012876-7A BR0012876A BR0012876A BR 0012876 A BR0012876 A BR 0012876A BR 0012876 A BR0012876 A BR 0012876A BR 0012876 A BR0012876 A BR 0012876A
Authority
BR
Brazil
Prior art keywords
spectrum signal
processing system
signal processing
pair
carrier frequency
Prior art date
Application number
BR0012876-7A
Other languages
English (en)
Portuguese (pt)
Inventor
Robert K Froelich
Forrest Fulton
Original Assignee
Schlumberger Resource Man Serv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Resource Man Serv filed Critical Schlumberger Resource Man Serv
Publication of BR0012876A publication Critical patent/BR0012876A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752—Partial correlation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7156—Arrangements for sequence synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7156—Arrangements for sequence synchronisation
    • H04B2001/71563—Acquisition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
BR0012876-7A 1999-07-30 2000-07-28 Discriminação de frequência em um sistema de processamento de sinal de espectro disperso BR0012876A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/365,108 US6178197B1 (en) 1997-06-23 1999-07-30 Frequency discrimination in a spread spectrum signal processing system
PCT/US2000/020703 WO2001010070A1 (fr) 1999-07-30 2000-07-28 Discrimination de frequence dans un systeme de traitement des signaux a spectre etale

Publications (1)

Publication Number Publication Date
BR0012876A true BR0012876A (pt) 2002-04-09

Family

ID=23437500

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012876-7A BR0012876A (pt) 1999-07-30 2000-07-28 Discriminação de frequência em um sistema de processamento de sinal de espectro disperso

Country Status (7)

Country Link
US (1) US6178197B1 (fr)
EP (1) EP1205047A4 (fr)
AU (1) AU6750300A (fr)
BR (1) BR0012876A (fr)
CA (1) CA2380607C (fr)
MX (1) MXPA02001027A (fr)
WO (1) WO2001010070A1 (fr)

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Also Published As

Publication number Publication date
EP1205047A1 (fr) 2002-05-15
MXPA02001027A (es) 2003-10-14
US6178197B1 (en) 2001-01-23
EP1205047A4 (fr) 2003-01-02
CA2380607A1 (fr) 2001-02-08
WO2001010070A1 (fr) 2001-02-08
AU6750300A (en) 2001-02-19
CA2380607C (fr) 2010-10-19

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1962 DE 12/08/2008.